.youtube-player {
  position: fixed;
  width: 1px;
  height: 1px;
  left: -9999px;
  bottom: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.music-toggle {
  position: fixed;
  left: 20px;
  bottom: 20px;
  z-index: 90;
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 17px 0 8px;
  border: 1px solid #ffffff2b;
  border-radius: 999px;
  background: #101013e8;
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 38px #000b;
  backdrop-filter: blur(12px);
  transition: border-color .2s, transform .2s, background .2s;
}

.music-toggle:hover {
  transform: translateY(-2px);
  border-color: #ff008c80;
}

.music-toggle-icon {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #ff008c;
  color: #fff;
  font-size: 17px;
}

.music-toggle.is-playing {
  border-color: #ffbf1866;
  background: #18130be8;
}

.music-toggle.is-playing .music-toggle-icon {
  background: #ffbf18;
  color: #111;
  animation: musicPulse 1.4s ease-in-out infinite;
}

@keyframes musicPulse {
  50% { box-shadow: 0 0 0 6px #ffbf1820; }
}

@media (max-width: 720px) {
  .music-toggle {
    left: 12px;
    bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .music-toggle.is-playing .music-toggle-icon { animation: none; }
}